anon-union.exp stabs debug problem

anon-union.exp stabs debug problem

[Randolph Chung]

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I had this patch lying around in my tree, dunno if others find it useful 
- should I commit it?

randolph


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2006-02-25  Randolph Chung  <tausq@debian.org>

	* gdb.cp/anon-union.exp: XFAIL tests that hit a gcc bug.

Index: testsuite/gdb.cp/anon-union.exp
===================================================================
RCS file: /cvs/src/src/gdb/testsuite/gdb.cp/anon-union.exp,v
retrieving revision 1.2
diff -u -p -r1.2 anon-union.exp
--- testsuite/gdb.cp/anon-union.exp	11 Feb 2004 14:01:25 -0000	1.2
+++ testsuite/gdb.cp/anon-union.exp	24 Feb 2006 23:57:32 -0000
@@ -41,18 +41,23 @@ if  { [gdb_compile "${srcdir}/${subdir}/
      continue
 }
 
+if [get_compiler_info ${binfile} "c++"] {
+    return -1
+}
+
 # Start with a fresh gdb
 gdb_exit
 gdb_start
 gdb_reinitialize_dir $srcdir/$subdir
 gdb_load ${binfile}
 
-
 if ![runto_main] then {
     perror "couldn't run to breakpoint"
     continue
 }
 
+get_debug_format
+
 send_gdb "set width 0\n"
 gdb_expect -re "$gdb_prompt $"
 
@@ -267,6 +272,9 @@ gdb_expect {
 
 # Tests for anon unions that are not members of a class or struct
 
+if { [test_compiler_info gcc-3-4-*] && [test_debug_format "stabs"] } {
+    setup_xfail *-*-* gcc/20998
+}
 send_gdb "print w\n"
 gdb_expect {
    -re "\\$\[0-9\]* = 0\r\n$gdb_prompt $" {
@@ -276,6 +284,9 @@ gdb_expect {
     timeout { fail "(timeout) print w 1" }
 }
 
+if { [test_compiler_info gcc-3-4-*] && [test_debug_format "stabs"] } {
+    setup_xfail *-*-* gcc/20998
+}
 send_gdb "print z\n"
 gdb_expect {
    -re "\\$\[0-9\]* = 0\r\n$gdb_prompt $" {
@@ -296,6 +307,9 @@ gdb_expect {
 }
 
 # See if the change in value is noticed
+if { [test_compiler_info gcc-3-4-*] && [test_debug_format "stabs"] } {
+    setup_xfail *-*-* gcc/20998
+}
 send_gdb "print w\n"
 gdb_expect {
    -re "\\$\[0-9\]* = 45\r\n$gdb_prompt $" {
@@ -306,6 +320,9 @@ gdb_expect {
 }
 
 # See if z shows the same value
+if { [test_compiler_info gcc-3-4-*] && [test_debug_format "stabs"] } {
+    setup_xfail *-*-* gcc/20998
+}
 send_gdb "print z\n"
 gdb_expect {
    -re "\\$\[0-9\]* = 45\r\n$gdb_prompt $" {
@@ -325,6 +342,9 @@ gdb_expect {
 }
 
 # See if the change in value is noticed
+if { [test_compiler_info gcc-3-4-*] && [test_debug_format "stabs"] } {
+    setup_xfail *-*-* gcc/20998
+}
 send_gdb "print w\n"
 gdb_expect {
    -re "\\$\[0-9\]* = 27\r\n$gdb_prompt $" {
@@ -335,6 +355,9 @@ gdb_expect {
 }
 
 # See if z shows the same value
+if { [test_compiler_info gcc-3-4-*] && [test_debug_format "stabs"] } {
+    setup_xfail *-*-* gcc/20998
+}
 send_gdb "print z\n"
 gdb_expect {
    -re "\\$\[0-9\]* = 27\r\n$gdb_prompt $" {

Re: anon-union.exp stabs debug problem

[Daniel Jacobowitz]

On Sat, Feb 25, 2006 at 07:12:20PM +0800, Randolph Chung wrote:
> I had this patch lying around in my tree, dunno if others find it useful 
> - should I commit it?

> 2006-02-25  Randolph Chung  <tausq@debian.org>
> 
> 	* gdb.cp/anon-union.exp: XFAIL tests that hit a gcc bug.

I can't see why not; sure, go ahead.

This test still seems to fail using GCC 4.0.3 and -gstabs+.  I'm not
sure why, and I don't plan to track it down; it works fine with
DWARF-2.

-- 
Daniel Jacobowitz
CodeSourcery

Re: anon-union.exp stabs debug problem

[Randolph Chung]

> I can't see why not; sure, go ahead.
> 
> This test still seems to fail using GCC 4.0.3 and -gstabs+.  I'm not
> sure why, and I don't plan to track it down; it works fine with
> DWARF-2.

fyi, HPUX SOM doesn't yet work well with dwarf debug, so this target 
(32-bit hppa-hpux) will probably need stabs support for some time. There 
are quite a few funny stabs bugs, unfortunately.

randolph